MATERIALS: 3D Printing with Carbon Fiber

Copolyester filament reinforced with carbon fibers.

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Last year, Eastman Chemical, Kingsport, Tenn., and Helian Polymers of The Netherlands teamed up to launch a 3D printing filament under Helian’s ColorFabb brand based on Eastman’s Amphora 3D copolyester. The material features strength, workability, aesthetics, and low odor.

At NPE2015, the partners launched a further advance with new copolyester-based carbon-fiber filament, ColorFabb XT-CF20, also based on Eastman’s Amphora 3D polymer. The new material boasts high melt strength and viscosity, good dimensional accuracy and stability, low printing odor, and stiffness without being brittle. Its heat resistance, dimensional stability, and stiffness combined are said to suit it for use in fabrication of drones, aerospace and automotive parts, and prototyping.